EP1817939A4 - Stereoverbreiterungsnetzwerk für zwei lautsprecher - Google Patents

Stereoverbreiterungsnetzwerk für zwei lautsprecher

Info

Publication number
EP1817939A4
EP1817939A4 EP05814812A EP05814812A EP1817939A4 EP 1817939 A4 EP1817939 A4 EP 1817939A4 EP 05814812 A EP05814812 A EP 05814812A EP 05814812 A EP05814812 A EP 05814812A EP 1817939 A4 EP1817939 A4 EP 1817939A4
Authority
EP
European Patent Office
Prior art keywords
loudspeakers
channels
stereo widening
filtered
widening network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05814812A
Other languages
English (en)
French (fr)
Other versions
EP1817939B1 (de
EP1817939A1 (de
Inventor
Ole Kirkeby
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Oyj
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Oyj filed Critical Nokia Oyj
Publication of EP1817939A1 publication Critical patent/EP1817939A1/de
Publication of EP1817939A4 publication Critical patent/EP1817939A4/de
Application granted granted Critical
Publication of EP1817939B1 publication Critical patent/EP1817939B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S1/00Two-channel systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00Stereophonic arrangements
    • H04R5/04Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S1/00Two-channel systems
    • H04S1/002Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
EP05814812A 2004-11-29 2005-11-25 Stereoverbreiterungsnetzwerk für zwei lautsprecher Not-in-force EP1817939B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/999,842 US7991176B2 (en) 2004-11-29 2004-11-29 Stereo widening network for two loudspeakers
PCT/FI2005/050437 WO2006056661A1 (en) 2004-11-29 2005-11-25 A stereo widening network for two loudspeakers

Publications (3)

Publication Number Publication Date
EP1817939A1 EP1817939A1 (de) 2007-08-15
EP1817939A4 true EP1817939A4 (de) 2010-08-18
EP1817939B1 EP1817939B1 (de) 2012-04-04

Family

ID=36497764

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05814812A Not-in-force EP1817939B1 (de) 2004-11-29 2005-11-25 Stereoverbreiterungsnetzwerk für zwei lautsprecher

Country Status (6)

Country Link
US (1) US7991176B2 (de)
EP (1) EP1817939B1 (de)
KR (1) KR100919160B1 (de)
CN (1) CN101065989A (de)
AT (1) ATE552706T1 (de)
WO (1) WO2006056661A1 (de)

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ATE428257T1 (de) * 2005-02-03 2009-04-15 Tcl & Alcatel Mobile Phones Mobiles endgerat mit mindestens zwei lautsprechern zur erzeugung eines stereoeffektes
US8243967B2 (en) * 2005-11-14 2012-08-14 Nokia Corporation Hand-held electronic device
US8619998B2 (en) * 2006-08-07 2013-12-31 Creative Technology Ltd Spatial audio enhancement processing method and apparatus
US9009032B2 (en) * 2006-11-09 2015-04-14 Broadcom Corporation Method and system for performing sample rate conversion
US20090086982A1 (en) * 2007-09-28 2009-04-02 Qualcomm Incorporated Crosstalk cancellation for closely spaced speakers
US8144902B2 (en) * 2007-11-27 2012-03-27 Microsoft Corporation Stereo image widening
EP2248352B1 (de) * 2008-02-14 2013-01-23 Dolby Laboratories Licensing Corporation Stereo-verbreiterung
US8295498B2 (en) * 2008-04-16 2012-10-23 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus and method for producing 3D audio in systems with closely spaced speakers
JP5206137B2 (ja) * 2008-06-10 2013-06-12 ヤマハ株式会社 音響処理装置、スピーカ装置および音響処理方法
US20090324002A1 (en) * 2008-06-27 2009-12-31 Nokia Corporation Method and Apparatus with Display and Speaker
JP5423265B2 (ja) * 2009-09-11 2014-02-19 ヤマハ株式会社 音響処理装置
JP5822327B2 (ja) * 2010-08-31 2015-11-24 株式会社コルグ 音響装置
US9245514B2 (en) * 2011-07-28 2016-01-26 Aliphcom Speaker with multiple independent audio streams
CN102438199A (zh) * 2011-09-06 2012-05-02 深圳东原电子有限公司 一种虚拟环绕声扩大听音区的方法
JP5944403B2 (ja) 2011-10-21 2016-07-05 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property Corporation of America 音響レンダリング装置および音響レンダリング方法
US9271076B2 (en) * 2012-11-08 2016-02-23 Dsp Group Ltd. Enhanced stereophonic audio recordings in handheld devices
US10149058B2 (en) 2013-03-15 2018-12-04 Richard O'Polka Portable sound system
EP2971393A4 (de) 2013-03-15 2016-11-16 Richard O'polka Tragbares audiosystem
WO2014167384A1 (en) 2013-04-10 2014-10-16 Nokia Corporation Audio recording and playback apparatus
US20150036826A1 (en) * 2013-05-08 2015-02-05 Max Sound Corporation Stereo expander method
US20140362996A1 (en) * 2013-05-08 2014-12-11 Max Sound Corporation Stereo soundfield expander
US20150036828A1 (en) * 2013-05-08 2015-02-05 Max Sound Corporation Internet audio software method
CN103402158B (zh) * 2013-07-05 2015-04-22 华南理工大学 一种用于手持式播放装置的立体声扩展方法
USD740784S1 (en) 2014-03-14 2015-10-13 Richard O'Polka Portable sound device
MX2017013642A (es) * 2015-04-24 2018-07-06 Huawei Tech Co Ltd UN APARATO DE PROCESAMIENTO DE SEÑAL DE AUDIO Y Mí‰TODO PARA MODIFICAR UNA IMAGEN ESTí‰REO DE UNA SEÑAL ESTí‰REO.
CN106488350B (zh) * 2015-08-27 2019-11-22 比亚迪股份有限公司 耳机
US10075789B2 (en) * 2016-10-11 2018-09-11 Dts, Inc. Gain phase equalization (GPEQ) filter and tuning methods for asymmetric transaural audio reproduction
CN106358122A (zh) * 2016-11-17 2017-01-25 重庆蓝岸通讯技术有限公司 利用耳机左右声道信号转换成双扬声器信号的方法及***
DE102017106022A1 (de) * 2017-03-21 2018-09-27 Ask Industries Gmbh Verfahren zur Ausgabe eines Audiosignals in einen Innenraum über eine einen linken und einen rechten Ausgabekanal umfassende Ausgabeeinrichtung
TWI634549B (zh) 2017-08-24 2018-09-01 瑞昱半導體股份有限公司 音訊強化裝置及方法
CN107645699A (zh) * 2017-08-25 2018-01-30 西安电子科技大学 一种3d音效增强装置及其方法
EP3550860B1 (de) 2018-04-05 2021-08-18 Nokia Technologies Oy Darstellung von räumlichem audioinhalt
US10602292B2 (en) * 2018-06-14 2020-03-24 Magic Leap, Inc. Methods and systems for audio signal filtering
US11425521B2 (en) * 2018-10-18 2022-08-23 Dts, Inc. Compensating for binaural loudspeaker directivity
GB2584630A (en) * 2019-05-29 2020-12-16 Nokia Technologies Oy Audio processing
CN111510847B (zh) * 2020-04-09 2021-09-03 瑞声科技(沭阳)有限公司 微型扬声器阵列、车内声场控制方法及装置、存储装置

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US4049912A (en) * 1976-04-26 1977-09-20 Audio Pulse, Inc. Channel mixer for multi-channel audio systems
US4191852A (en) * 1978-05-16 1980-03-04 Shin-Shirasuna Electric Corporation Stereophonic sense enhancing apparatus
WO1998036615A1 (en) * 1997-02-14 1998-08-20 Koninklijke Philips Electronics N.V. A circuit arrangement for creating phantom sources in a stereo signal using shifting circuitry
US6307941B1 (en) * 1997-07-15 2001-10-23 Desper Products, Inc. System and method for localization of virtual sound
EP1355509A2 (de) * 2002-04-17 2003-10-22 Dirac Research AB Digitale Audiovorkompensierung

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JPH07105999B2 (ja) * 1990-10-11 1995-11-13 ヤマハ株式会社 音像定位装置
US5136650A (en) 1991-01-09 1992-08-04 Lexicon, Inc. Sound reproduction
JP3074813B2 (ja) 1991-08-07 2000-08-07 ヤマハ株式会社 クロストークキャンセル回路および音像定位装置
US5687239A (en) * 1993-10-04 1997-11-11 Sony Corporation Audio reproduction apparatus
GB9324240D0 (en) 1993-11-25 1994-01-12 Central Research Lab Ltd Method and apparatus for processing a bonaural pair of signals
GB9603236D0 (en) 1996-02-16 1996-04-17 Adaptive Audio Ltd Sound recording and reproduction systems
GB9622773D0 (en) * 1996-11-01 1997-01-08 Central Research Lab Ltd Stereo sound expander
US5949894A (en) 1997-03-18 1999-09-07 Adaptive Audio Limited Adaptive audio systems and sound reproduction systems
FI113147B (fi) 2000-09-29 2004-02-27 Nokia Corp Menetelmä ja signaalinkäsittelylaite stereosignaalien muuntamiseksi kuulokekuuntelua varten
JP4867121B2 (ja) * 2001-09-28 2012-02-01 ソニー株式会社 音声信号処理方法および音声再生システム
KR100617700B1 (ko) 2003-11-17 2006-08-28 삼성전자주식회사 통신 단말기를 위한 3차원 입체음향 재생 장치 및 방법
KR20050064442A (ko) 2003-12-23 2005-06-29 삼성전자주식회사 이동통신 시스템에서 입체음향 신호 생성 장치 및 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4049912A (en) * 1976-04-26 1977-09-20 Audio Pulse, Inc. Channel mixer for multi-channel audio systems
US4191852A (en) * 1978-05-16 1980-03-04 Shin-Shirasuna Electric Corporation Stereophonic sense enhancing apparatus
WO1998036615A1 (en) * 1997-02-14 1998-08-20 Koninklijke Philips Electronics N.V. A circuit arrangement for creating phantom sources in a stereo signal using shifting circuitry
US6307941B1 (en) * 1997-07-15 2001-10-23 Desper Products, Inc. System and method for localization of virtual sound
EP1355509A2 (de) * 2002-04-17 2003-10-22 Dirac Research AB Digitale Audiovorkompensierung

Also Published As

Publication number Publication date
KR20070074645A (ko) 2007-07-12
CN101065989A (zh) 2007-10-31
ATE552706T1 (de) 2012-04-15
KR100919160B1 (ko) 2009-09-28
US20060115090A1 (en) 2006-06-01
EP1817939B1 (de) 2012-04-04
EP1817939A1 (de) 2007-08-15
WO2006056661A1 (en) 2006-06-01
US7991176B2 (en) 2011-08-02

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